EP3024672A1 - Tire changing machine with bead loosener arm - Google Patents
Tire changing machine with bead loosener armInfo
- Publication number
- EP3024672A1 EP3024672A1 EP14828865.7A EP14828865A EP3024672A1 EP 3024672 A1 EP3024672 A1 EP 3024672A1 EP 14828865 A EP14828865 A EP 14828865A EP 3024672 A1 EP3024672 A1 EP 3024672A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- arm
- bead loosener
- bead
- ball
- ball joint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 239000011324 bead Substances 0.000 title claims abstract description 109
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C25/00—Apparatus or tools adapted for mounting, removing or inspecting tyres
- B60C25/14—Apparatus or tools for spreading or locating tyre beads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C25/00—Apparatus or tools adapted for mounting, removing or inspecting tyres
- B60C25/01—Apparatus or tools adapted for mounting, removing or inspecting tyres for removing tyres from or mounting tyres on wheels
- B60C25/05—Machines
- B60C25/125—Machines for only breaking the beads
- B60C25/13—Machines for only breaking the beads acting axially on a part of the bead or side wall only at localised regions of the bead or side wall
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
- F16C11/0614—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints the female part of the joint being open on two sides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
- F16C11/0695—Mounting of ball-joints, e.g. fixing them to a connecting rod
Definitions
- the present invention relates generally to wheel servicing machines.
- this invention pertains to tire changing machines with bead removal arms configured for releasing a bead from its seated position on a wheel rim.
- tire changing machines are equipped with a movable arm to engage and loosen the tire bead so that the tire can be removed from the wheel rim.
- Conventional bead removal arms typically include an arm that pivots relative to a machine base.
- a shoe is positioned on the arm to engage the tire sidewall to loosen the tire bead from the wheel rim.
- Conventional bead loosener arms are actuated using an actuator such as a powered pneumatic or hydraulic cylinder.
- An actuator rod extends from the base to the bead loosener arm.
- the actuator rod may connect to the actuator rod at a pivoting joint.
- a conventional pivoting joint 130 is shown in Fig. 2 and Fig. 3.
- an operator places a wheel and tire assembly in a space between the shoe 24 and the base 12.
- the operator controls the powered cylinder to retract the actuator rod 28.
- the actuator rod 28 extends through a pivot pin 132 on the bead loosener arm 20.
- the rod also includes a rod retainer 134 on the side of the pivot pin 132 opposite the machine base.
- the rod 28 pulls the bead loosener arm 20 toward the base 12, thereby causing the shoe to engage the side wall of the tire to loosen the tire bead.
- the actuator rod 28 is slidable through a hole 136 in the pivot pin 132 in the bead loosener arm 20.
- the retainer 134 engages the pivot pin 132, limiting the linear travel of the rod 28 relative to the bead loosener arm 20, causing the bead loosener arm 20 to be pulled toward the base in the direction of retraction of the actuator rod 28.
- the shoe 24 eventually engages and depresses the side wall of the tire, causing the bead to be loosened from the wheel rim.
- an operator typically controls the powered cylinder to move the rod 28 back toward the bead loosener arm 20 to release the shoe from the tire side wall. This may cause the actuator rod 28 to slide through the hole 136. In such configurations, the user is required to manually pivot the bead loosener arm 20 away from the base.
- the bead breaker arm 20 may encounter stress in a non-horizontal force vector, causing the bead loosener arm 20 to have a tendency to move in an upward or downward direction other than the substantially horizontal pull direction of rod 28.
- Such movement of the bead loosener arm puts strain on the actuator rod, the pivoting joint, and the actuator in conventional pivoting joints, such as those shown in Figs. 2- 3.
- the pivoting joint 130 in such conventional configurations does not allow the actuator rod 28 to pivot in a vertical plane relative to the bead loosener arm 20.
- Conventional bead loosener arm pivoting joints of this nature also fail to accommodate sag of the bead loosener arm in non-horizontal directions during extended use.
- the present invention provides a wheel servicing machine including a bead loosener arm pivotally attached to a base.
- the bead loosener arm includes a shoe positioned to engage a sidewall of a tire to loosen a tire bead from its seated position on a wheel rim.
- the shoe is forced against the sidewall using an actuator on the base that forces the bead loosener arm toward the tire.
- An actuator rod extends from the actuator and is linked to the bead loosener arm at a pivoting joint.
- the present invention provides a ball joint at the pivoting joint to allow additional degrees of freedom of angular motion between the actuator rod and the bead loosener arm.
- the present invention is a wheel servicing machine having a side-mounted bead loosener arm actuated by an actuator attached to a machine base.
- the actuator includes an actuator rod coupled to the bead loosener arm at a pivoting joint.
- the pivoting joint may include a ball joint having three angular degrees of freedom.
- the pivoting joint allows the actuator rod end to pivot freely both in a major plane of rotation substantially parallel to the movement of the bead loosener arm as well as in minor vertical planes.
- the pivoting joint includes a rotatable member, or socket, positioned around a ball. The rotatable member is coupled to the actuator rod, and a pin is disposed vertically through a passage in the ball to secure the ball joint to the bead loosener arm.
- the present invention provides a tire changing machine including a machine base, a support tower extending upwardly from the base, a swing arm pivotally mounted on the support tower, a tire changing tool disposed on the swing arm, a bead loosener arm pivotally mounted on the machine, and an actuator attached to the machine base.
- the actuator includes an actuator rod having an actuator rod end extending toward the bead loosener arm.
- a ball joint is disposed between the actuator rod end and the bead loosener arm.
- FIG. 1 is a perspective view of an embodiment of a tire changing machine with a bead loosener arm.
- FIG. 2 is a detail perspective view of a tire changing machine with a bead loosener arm having a conventional pivoting joint between the actuator rod and a bead loosener arm.
- Fig. 3 is a detail perspective view of a conventional pivoting joint between a bead loosener arm and an actuator rod.
- Fig. 4 is a perspective view of an embodiment of a tire changing machine having a ball joint between the bead loosener arm and the actuator rod.
- Fig. 5 is a top view of an embodiment of a tire changing machine having a ball joint between the bead loosener arm and the actuator rod.
- Fig. 6 is a perspective view of an embodiment of an actuator having a ball joint disposed at the actuator rod end.
- Fig. 7 is a detail perspective view of an embodiment of a ball joint at the actuator rod end.
- Fig. 8 is a detail perspective view of an embodiment of a ball joint between a bead loosener arm and an actuator rod.
- Fig. 9 is a partial cross-sectional view of an embodiment of a ball joint between a bead loosener arm and an actuator rod having a first angular orientation in a minor vertical plane.
- Fig. 10 is a partial cross-sectional view of an embodiment of a ball joint between a bead loosener arm and an actuator rod having a second angular orientation in a minor vertical plane.
- Tire changing machine 10 includes a base 12, a tower 14 extending upwardly from base 12, a swing arm 16 extending from the tower 14 above the base 12, and a tire changing tool 18 disposed on swing arm 16.
- Tire changing machine 10 also includes a bead loosener arm 20 pivotally attached to the base 12 at a pivoting arm joint 22.
- a bead loosener shoe 24 is disposed on the bead loosener arm 20.
- an operator may position a wheel assembly between shoe 24 and base 12.
- the wheel assembly generally includes a wheel rim with a tire mounted on the wheel rim.
- the tire bead To remove the tire from the wheel rim, the tire bead must be first loosened from its seated position on the wheel rim. Loosener the tire bead from the rim requires application of mechanical force against the tire sidewall near the tire bead.
- Shoe 24 is shaped and positioned to directly engage the sidewall of a tire when bead loosener arm 20 is moved toward base 12, thereby applying the necessary force to at least partially loosen the tire bead from its seated position on the wheel rim.
- actuator 20 toward base 12 is achieved using an actuator having an actuator rod 28.
- a handle 38 may also be positioned on bead loosener arm 20 to manually position bead loosener arm 20 in some embodiments.
- controls for operating the actuator are positioned on handle 38, as seen in Fig. 4.
- An actuator rod 28 extends from base 12 and is coupled to bead loosener arm 20 at a pivoting joint 30. Pivoting joint 30 provides a linkage between the actuator rod 28 and bead loosener arm 20.
- actuator 26 may be housed within base 12 such that actuator rod 28 extends from base 12 toward.
- Actuator 26 includes any suitable actuator such as a powered cylinder, a hydraulic actuator, a pneumatic actuator, a powered linear stage, or any other suitable actuator for applying a force against bead loosener arm 20 such that shoe 24 may engage a tire side wall.
- a bead loosener arm frame 44 is positioned on the side of base 12, and bead loosener arm 20 is pivotally attached to the frame 44 at a pivoting arm joint 22. In alternative embodiments, bead loosener arm 20 is pivotally attached to base 12.
- Pivoting joint 30 includes a ball joint 50 in some embodiments.
- the ball joint 50 includes a socket 40 and a ball 42 disposed in socket 40, as seen in Fig. 6.
- the ball joint 50 is positioned on the end of actuator rod 28 in some embodiments.
- Actuator 26 also includes upper and lower actuator mounts 48a, 486 for mounting actuator 26 to base 12 in some embodiments.
- Actuator 26 is pivotally attached to base 12 in some embodiments to allow rotation of actuator 26 relative to base 12 because the travel range of bead loosener arm 20 causes the angle of orientation of actuator rod 28 to change during motion of bead loosener arm 20.
- Actuator rod 28 is moveable across a range of linear motion.
- Ball 50 includes a socket 40 and a ball 42 positioned at least partially in socket 40.
- Ball 42 is generally rotatable relative to socket 42.
- Ball 42 includes a truncated sphere in some embodiments, as seen in Fig. 7.
- a passage is defined through ball 42 in some embodiments.
- the passage in ball 42 allows a fastener to be inserted through ball 42 to secure the ball joint to a structure such as bead loosener arm 20.
- a ball joint bushing 52 is disposed in the passage in ball 42.
- Ball joint bushing 52 is pivotable relative to ball 42 in some embodiments.
- Ball 42 includes a passage 54 defined through ball 42.
- Ball joint bushing 52 is installed in passage 54 in ball 42 in some embodiments.
- Ball joint bushing 52 provides a passage for a fastener such as a pin to secure ball joint 50 to bead loosener arm 20 in some embodiments.
- Ball joint bushing 52 provides a bearing surface between a fastener and ball 42 in some embodiments.
- Socket 40 is positioned on the actuator rod end 29 extending toward bead loosener arm 20 in some embodiments. Socket 40 may be secured to actuator rod end 29 in either a fixed or a selectively removable configuration in various embodiments. In some embodiments, socket 40 is threaded onto the actuator rod end 29.
- a pivoting joint 30 having a ball joint 50 is shown.
- Socket 40 is located on the end of actuator rod 28, and the pivoting joint 30 is positioned in a space 56 between an upper bead loosener arm member 20a and a lower bead loosener arm member 206 in some embodiments.
- a pivoting joint 30 includes a socket 40 and a ball 42 positioned in the socket 40.
- the ball 42 is secured to the bead loosener arm 20 using a fastener 32 such as a pin inserted through a passage in the ball 42.
- a ball joint bushing 52 is positioned in a passage in ball 42.
- An upper arm bushing 46a is disposed on upper bead loosener arm member 20a, and a lower arm bushing 466 is disposed on lower bead loosener arm member 206 in some embodiments.
- Upper and lower arm bushings 46a, 466 are coaxially aligned with the passage in ball 42 along a joint pivot axis 58 in some embodiments.
- the continuous axial passage along joint pivot axis 58 provides a space for placement of a fastener such as a pin to secure the ball joint to the bead loosener arm 20.
- Fastener 32 extends through upper and lower arm bushings 46a, 466, and also through the passage in ball 42, and specifically through the passage in ball joint bushing 52, in some embodiments.
- Upper arm bushing 46a is rigidly secured to upper bead loosener arm member 20a
- lower arm bushing 466 is rigidly secured to lower bead loosener arm member 206 in some embodiments.
- fastener 32 in the form of a pin inserted through upper and lower arm bushings 46a, 466 provides a structure about which ball 42 may pivot during use.
- Fastener 32 may be secured between upper and lower arm members 20a, 206 on bead loosener arm 20 in a rigid or fixed configuration.
- fastener 32 is selectively removable from the bead loosener arm 20.
- Fastener 32 may be secured in place using any suitable mechanical linkage such as a threaded connection, an interference fit, a flanged end, a locking pin, or any other suitable structure.
- fastener 32 may be pivotable relative to upper and lower arm bushings 46a, 466.
- Socket 40 is generally moveable around ball 42. During use, actuator rod
- Ball joint 50 provides an improved linkage between actuator rod 28 and bead loosener arm 20 by allowing additional degrees of freedom of actuator rod 28 in at least one vertical plane, as shown by the change in angle of rod axis 60 relative to joint pivot axis 58 in Figs. 9 and 10. Ball joint 50 allows actuator rod end to pivot both in a major plane of rotation substantially parallel to the movement of the bead loosener arm 20 as well as in minor vertical planes.
- Ball joint 50 provides a first degree of freedom in that socket 40 is generally pivotable about joint pivot axis 58 along a major plane of bead loosener arm travel, as shown by arrows 64 in Fig. 10.
- Ball joint 50 provides a second degree of freedom along the minor vertical plane defined by joint pivot axis 58 and rod axis 60 in some embodiments.
- Ball joint 50 also provides a third degree of freedom along a second minor vertical plane allowing socket 40 to rotate relative to ball 42 about rod axis 60, as indicated by arrows 62 shown in Fig. 10 in some embodiments.
- pivoting joint 30 of the present invention provides an improved linkage between actuator rod 28 and bead loosener arm 20 to provide additional degrees of freedom of pivoting movement.
- the improved pivoting joint 30 allows stress distribution in directions other than along the major plane of bead loosener arm travel, and provides stress distribution generally in the axial direction along joint pivot axis 58 in some embodiments.
- Improved pivoting joint 30 also provides improved
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
- Tyre Moulding (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361857392P | 2013-07-23 | 2013-07-23 | |
PCT/US2014/047911 WO2015013463A1 (en) | 2013-07-23 | 2014-07-23 | Tire changing machine with bead loosener arm |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3024672A1 true EP3024672A1 (en) | 2016-06-01 |
EP3024672A4 EP3024672A4 (en) | 2017-04-19 |
Family
ID=52393829
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14828865.7A Withdrawn EP3024672A4 (en) | 2013-07-23 | 2014-07-23 | Tire changing machine with bead loosener arm |
Country Status (4)
Country | Link |
---|---|
US (1) | US9162544B2 (en) |
EP (1) | EP3024672A4 (en) |
CN (1) | CN105555556A (en) |
WO (1) | WO2015013463A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITMO20130110A1 (en) * | 2013-04-23 | 2014-10-24 | Giuliano Group Spa | BREAKER GROUP FOR REMOVAL OR SIMILAR MACHINES |
ITVR20130252A1 (en) * | 2013-11-22 | 2015-05-23 | Butler Engineering And Marketing S P A | DISASSEMBLY DEVICE FOR A WHEELED WHEEL, AS WELL AS THE MACHINE INCLUDING THIS DEVICE. |
RU2670592C2 (en) * | 2014-03-25 | 2018-10-23 | СИКАМ С.р.л. | Machine for tire installation/removal |
US9873298B2 (en) * | 2014-05-07 | 2018-01-23 | Gino Ferrari | De-beading device for tire-changing machines |
IT201600071778A1 (en) * | 2016-07-08 | 2018-01-08 | Butler Eng And Marketing S P A | POSITIONING GROUP OF A WHEELED WHEEL AND / OR PUSHING OF A PORTION OF A TIRE OF A WHEELED WHEEL |
FI127307B (en) | 2017-01-27 | 2018-03-15 | Neste Oyj | Refined fuel compositions and methods for their preparation |
US20220009297A1 (en) * | 2020-06-30 | 2022-01-13 | Hennessy Industries, Inc. | Dampening system for a tire-bead loosener |
Family Cites Families (31)
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US2602494A (en) | 1949-08-29 | 1952-07-08 | Ilo L Larson | Lever actuated tire bead breaker with wheel securing means |
US2672184A (en) | 1952-03-01 | 1954-03-16 | Narcisse C Bergeron | Lever actuated tire bead forcing device |
US3008512A (en) | 1959-09-23 | 1961-11-14 | Coats Co | Tire bead breaking apparatus |
US4676291A (en) | 1985-11-04 | 1987-06-30 | Bolger Joseph E | Tire bead breaker |
USD293916S (en) | 1985-11-27 | 1988-01-26 | Hennessy Industries, Inc. | Rim clamp tire changer |
US4804030A (en) | 1986-10-30 | 1989-02-14 | Mandelko Melvin A | Tire bead separator |
US4969498A (en) | 1987-11-30 | 1990-11-13 | Sheets John W | Tire bead breaker |
US5050659A (en) * | 1990-04-27 | 1991-09-24 | G. S. S.R.L. | Machine for the removal and replacement of tires for the wheels of automobiles |
US5088539A (en) | 1990-09-11 | 1992-02-18 | Fmc Corporation | Tire changing apparatus |
US5133236A (en) | 1991-03-29 | 1992-07-28 | Dudley Joseph E | Tire cutting tool |
IT1258032B (en) | 1992-02-28 | 1996-02-20 | Corghi Spa | Bead breaker device for tire changer machines |
US5385045A (en) | 1992-07-15 | 1995-01-31 | Fmc Corporation | Tire changing and balancing machine |
IT239331Y1 (en) | 1995-05-23 | 2001-02-26 | Butler Eng & Marketing | TIRE CHANGER MACHINE EQUIPPED WITH Bead breaker device |
US6056034A (en) | 1998-05-20 | 2000-05-02 | Matnick; Michael | Difficult to mount tire changer and method for handling thereof |
US6182736B1 (en) | 1998-06-15 | 2001-02-06 | Hennessy Industries, Inc. | Helper arm for a rim holding tire changer |
US6276423B1 (en) | 1998-11-13 | 2001-08-21 | Grant Goracy | Portable tire bead breaker |
CN2405784Y (en) * | 2000-02-22 | 2000-11-15 | 芦力安 | Automobile tyre assembling-disassembling machine carried with air-compressor device |
KR100378464B1 (en) * | 2000-10-10 | 2003-04-07 | 잘만정공 주식회사 | A ball-joint |
ITRE20030095A1 (en) | 2003-10-14 | 2005-04-15 | Corghi Spa | BALLASTING DEVICE FOR TIRE CHANGER MACHINES. |
US7426953B2 (en) | 2005-01-12 | 2008-09-23 | Production Concepts, Inc. | Bead breaker |
US7343955B2 (en) * | 2005-12-28 | 2008-03-18 | Hennessy Industries, Inc. | Tire changing machine |
ITMO20060236A1 (en) | 2006-07-19 | 2008-01-20 | Giuliano Spa | BREAKER GROUP FOR TIRE CHANGER MACHINES. |
US7543622B1 (en) | 2006-08-18 | 2009-06-09 | Hennessy Industries, Inc. | Tire changer having oil injection system |
ITMO20060274A1 (en) | 2006-09-08 | 2008-03-09 | Giuliano Spa | BREAKER GROUP FOR TIRE CHANGER MACHINES |
ITMO20060398A1 (en) * | 2006-12-04 | 2008-06-05 | Gino Ferrari | APPARATUS FOR REMOVAL TIRE MACHINES |
ES2334835T3 (en) | 2007-01-15 | 2010-03-16 | Snap-On Equipment Srl A Unico Socio | DEVICE FOR MOUNTING OR DISASSEMBLING A TIRE FROM A TIRE OF A VEHICLE WHEEL. |
US7631681B1 (en) | 2007-02-13 | 2009-12-15 | David Petersen | Tire-rim separation device |
ES2381538T3 (en) * | 2009-10-08 | 2012-05-29 | Bertrand Du Quesne | Tire assembly and disassembly machine |
IT1396966B1 (en) | 2009-12-16 | 2012-12-20 | Giuliano S P A Ora Giuliano Group S P A | BREAKER GROUP FOR TIRE CHANGER MACHINES |
CN201694002U (en) * | 2010-06-02 | 2011-01-05 | 营口大力汽保设备科技有限公司 | Automatic tyre retreading working head |
ITMO20110118A1 (en) * | 2011-05-20 | 2012-11-21 | Giuliano Group Spa | BREAKER GROUP FOR TIRE CHANGER MACHINES |
-
2014
- 2014-07-23 WO PCT/US2014/047911 patent/WO2015013463A1/en active Application Filing
- 2014-07-23 CN CN201480041792.5A patent/CN105555556A/en active Pending
- 2014-07-23 EP EP14828865.7A patent/EP3024672A4/en not_active Withdrawn
- 2014-07-23 US US14/339,356 patent/US9162544B2/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2015013463A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2015013463A1 (en) | 2015-01-29 |
EP3024672A4 (en) | 2017-04-19 |
CN105555556A (en) | 2016-05-04 |
US20150047789A1 (en) | 2015-02-19 |
US9162544B2 (en) | 2015-10-20 |
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